# 商品评价表结构
product_reviews = [
    ("review_id", "integer", "评价ID"),
    ("user_id", "integer", "用户ID"),
    ("product_id", "integer", "商品ID"),
    ("rating", "double", "评分"),
    ("review_text", "string", "评价内容"),
    ("review_time", "timestamp", "评价时间"),
    ("has_pictures", "boolean", "是否有图片"),
    ("pictures", "array<string>", "图片列表"),
    ("is_followup", "boolean", "是否追评"),
    ("followup_text", "string", "追评内容"),
    ("followup_time", "timestamp", "追评时间"),
    ("useful_count", "integer", "有用数"),
    ("reply_count", "integer", "回复数"),
    ("is_high_quality", "boolean", "是否优质评价")
]